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Treasury Stock (Tables)
 12 Months Ended
Dec. 31, 2021
Equity [Abstract]  
Treasury Stock Activity
Treasury stock activity for the years ended December 31, 2021, 2020 and 2019 was as follows:
(Shares in thousands)202120202019
Balance as of January 124,663 22,969 15,781 
Compensation plans and other(303)(263)(542)
Share repurchases1,245 1,957 7,730 
Balance as of December 3125,605 24,663 22,969